U2 



o 



Monthly and Annual Mean Surface Water Temperatures, F 



o 



POINT AU FER REEF UGHT STATION, LOUISIANA 29 22.4.'N. 91 23.1'W. 



Year Jan. Feb. Mar. Apr. May June July Auj; . Sept. Oct. Nov. Dec. Ann . 



1930 64.6 66.6 69.8 79.0 78.1 81.1 85.0 84.4 81.0 72.0 61.0 52.8 73.0 



1931 50.6 58.6 57.4 65.8 74.5 82.9 85.6 83.3 83.6 76.1 68.7 60.4 70.6 



32 58.7 61.8 57.4 70.2 75.0 83.7 86.0 85.0 80.5 70.2 57.4 - (70.3) 



33 54.0 52.8 59.8 66.4 76.6 78.6 80.8 82.4 82.6 72.3 62.2 61.2 70.8 



(4) (4) (4) (4) (4) (4) (4) (4) (4) (4) (4) (3) 

 Mean 57.0 60.0 61.1 70.4 76.0 81.5 84.4 83.8 81.9 72.6 62.3 58.1 70.8 



Shell reef (4 miles NNW of Pt. Au Fer) Station on left side of ship channel to 

 Morgan City. 



Readings at 8 a.m. and 6 p.m. 

 Source - DSBF 



